Pre-heat the oven to 200°C.
Drain the Tuna and break up with a folk and drain and rinse the sweetcorn.
On one half of the wrap, place cheese, then tuna, then peppers, sweetcorn and top off with cheese.
Brush the exposed side of the wrap and all around the edges with the beaten egg.
Fold the wrap in half and press down around the edge, trapping in the ingredients. Crimp the edges of the pasty using the back of a fork.
Place the pasties on a baking tray sprayed with Frylight. Brush the outside of the pasty with beaten egg.
Bake in the oven for 12 - 15 mins.
Once cooked, cut in half and enjoy.
Remember they insides will be hot.